Weather in Koitomachi in June

General weather information about Koitomachi

Average annual temperature is 17.5 °C

Absolute maximum temperature: 34.6 °C

Absolute minimum temperature: -3.6 °C

Number of sunny days: 146 days

Number of rainy days: 215 days

Number of snow days: 4 days

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* Weather data for Koitomachi Japan is based on climate observations for 2026 year

Koitomachi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.914.821.824.826.729.133.934.632.125.625.423.2
Average daytime temperature (°C)9.610.715.518.321.725.330.832.029.222.217.912.7
Average temperature (°C)7.28.112.015.118.622.627.428.626.019.314.59.8
Average night temperature (°C)5.05.58.812.115.920.524.825.823.716.711.77.4
Absolute minimum temperature (°C)-3.61.41.18.18.916.121.624.120.812.26.51.5

Koitomachi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.26.28.08.18.67.79.410.59.08.57.35.6
Precipitation (mm)1311088817023325523911693256773
Sunny days12101617129688191613
Rainy days181815131921252322121415
Snow days100000000003

Koitomachi - weather forecast by months

Koitomachi weather in januaryKoitomachi weather in februaryKoitomachi weather in marchKoitomachi weather in aprilKoitomachi weather in mayKoitomachi weather in juneKoitomachi weather in julyKoitomachi weather in augustKoitomachi weather in septemberKoitomachi weather in octoberKoitomachi weather in novemberKoitomachi weather in december

Best time to visit Koitomachi:

The best time to visit Koitomachi during the most sunny months:

  • August — 10.5(h)

The largest precipitation sum in Koitomachi is at

  • April — 170(mm)
  • May — 233(mm)
  • June — 255(mm)
  • July — 239(mm)

    • Weather forecast in the closest to Koitomachi admin centers

    Weather forecast in the closest towns to Koitomachi

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    Frequently asked questions

    When is the best time to visit Koitomachi?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Koitomachi.
    What is the weather like in Koitomachi?
    See average temperature, rainfall and daylight hours for Koitomachi by month in the table above.
    How many sunny days does Koitomachi have?
    The monthly weather statistics above show sunshine and rainfall patterns for Koitomachi throughout the year.